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Finding the Fourth Proportional to 2,747.58, 3,791.31 and 1,568.34

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Solution

The fourth proportional to 2,747.58, 3,791.31 and 1,568.34 is: 2,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.58 : 3,791.31 = 1,568.34 : x
  2. Step 2: Convert to fraction form
    2,747.58/3,791.31 = 1,568.34/x
  3. Step 3: Cross multiply
    2,747.58x = 3,791.31 × 1,568.34
  4. Step 4: Simplify right side
    2,747.58x = 5,946,063.13
  5. Step 5: Solve for x
    x = 5,946,063.13/2,747.58
  6. Step 6: Final answer
    x = 2,164.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.